Portable air compressor



FIG. 1 is a front view of a portable air compressor according to an embodiment of the invention.

FIG. 2 is a back view of a portable air compressor according to an embodiment of the invention.

FIG. 3 is a side view of a portable air compressor according to an embodiment of the invention; and,

FIG. 4 is bottom view of a portable air compressor according to an embodiment of the invention. 

We claim the ornamental design for the portable air compressor, as shown. 